RT Book T1 Behavior modification: what it is and how to do it A1 Martin, Garry 1941- A2 Pear, Joseph 1938- LA English PP Englewood Cliffs, NJ PB Prentice-Hall YR 1983 ED 2nd ed. UL https://krimdok.uni-tuebingen.de/Record/1090858493 CN 155.2/5